Finding the Fourth Proportional to 176,935,007.70, 265,402,511.55 and 100,407,503.70
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Solution
The fourth proportional to 176,935,007.70, 265,402,511.55 and 100,407,503.70 is: 150,611,255.55
Step by Step Solution
- Step 1: Write the proportion equation
176,935,007.70 : 265,402,511.55 = 100,407,503.70 : x - Step 2: Convert to fraction form
176,935,007.70/265,402,511.55 = 100,407,503.70/x - Step 3: Cross multiply
176,935,007.70x = 265,402,511.55 × 100,407,503.70 - Step 4: Simplify right side
176,935,007.70x = 26,648,403,660,445,920 - Step 5: Solve for x
x = 26,648,403,660,445,920/176,935,007.70 - Step 6: Final answer
x = 150,611,255.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.